[Zope-CMF] DTML, RSS customization and my incompetency...

[Dmitry S. Makovey]

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Hi everybody,

I'm playing with RSS feeds in Plone (actually those are scripts from CMF 
unaltered) and what I was trying to do is make RSS feeds more flexible.

Usecase:
I need link objects in RSS feed to come up with link they point to and not 
link to the object itself. Let's say I have Link:
id: my_link
title: moo link
remote_url: http://some.com

as itemRSS renders it:
- --------snippet from RSS-------
<item rdf:about="http://localhost:8080/hc/my_folder/my_link">
<title>moo link</title>
<link>http://localhost:8080/hc/my_folder/my_link</link>
<description>desc</description>
<dc:publisher>No publisher</dc:publisher>
<dc:creator>dimon</dc:creator>
<dc:rights></dc:rights>
<dc:date>2004-08-23T14:38+00:00</dc:date>
</item>
- --------end of snippet from RSS-------

And I want:

- --------snippet from RSS-------
<item rdf:about="http://localhost:8080/hc/my_folder/my_link"> 
<title>moo link</title> 
<link>http://some.com</link> 
<description> desc </description> 
<dc:publisher>No publisher</dc:publisher> 
<dc:creator>dimon</dc:creator> 
<dc:rights></dc:rights> 
<dc:date>2004-08-23 14:38:16</dc:date> 
</item>
- --------end of snippet from RSS-------

What I did:

in rssBody there's statement: 
...
itemRSS(obj)
...
so I created my class MyLink with method itemRSS rendering it differently and 
I changed a call to:
...
obj.ItemRSS()
...

but that brought some errors with non-customized types:
....
KeyError: 'Identifier'
....

Anybody has any idea what's going on? And can anybody show me right direction 
(I don't want to put more logic in itemRSS - I'd like to make it per-type 
customizable)?

P.S.
Also rssBody doesn't really care for state of the documents which worries me 
somewhat.

- -- 
Dmitry Makovey
Web Systems Administrator
Athabasca University
(780) 675-6245
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